MH
Mark Blair Holmes
Mark Blair Holmes is a lawyer in Washington, DC who works for Council on State Taxation. Practice areas include Taxation. Court admissions include US Tax Court. Licensed in Texas since 1995. Graduated from Georgetown University in 1996.
Claim profileContact attorney
Law school
Bar admission
Office
Disciplinary
MH
Mark Blair Holmes
Council on State TaxationWashington, DC·30 years licensed
Claim profileContact attorney
Mark Blair Holmes is a lawyer in Washington, DC who works for Council on State Taxation. Practice areas include Taxation. Court admissions include US Tax Court. Licensed in Texas since 1995. Graduated from Georgetown University in 1996.
Law school
Georgetown University
Class of 1996
Bar admission
1995
State Bar of TX · #793967
Office
122 C Street NW, Suite 330
Washington, DC 20001
Disciplinary
None on record
Clean since admission
Case data
Case data
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Practice, courts & credentials
Practice areas1 listed
Taxation
Courts admitted1 total
US Tax Court
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Last refreshed Aug 2026